1Durable Material: Made of 600D polyester canvas complex with waterproof backing. Maximum resistance against rain, sun, and outside elements. Extend the service life of the hot tub spa heater pump. 2Upgrade Design: Our inflatable hot tub pump cover is designed with zipper and buckle opening, which lets you do not need to remove the hoses for installation and no need to remove the cover when using, simple and convenient. 3Windproof Design: 3 buckle straps on the side of the cover keep the cover tightly secured to the spa heating pump to withstand harsh weather and keep the wind from blowing it away. 4Comprehensive Protection: Buckles on the side of the cover can make the cover can cover your spa heater pump uint. All weather protection keeps your spa heater pump clean, dry, and looking like new. 5Universal Fit: The hot water heater pump cover is designed to fit most hot water pumps. Its adjustable strap ensures a snug and secure fit, keeping the cover in place even in high winds.